I believe that the laws of the material world are immutable for the elements—for the flow of river water and the rain falling from the clouds—and for animals foraging for food. But the moment a being on this planet acquires reason, an analytical mind, and a sense of self within the world, the capacity for choice emerges. A monkey never has the option to become a vegetarian out of principle, whereas a human does.

At a certain stage in the development of matter, the predictability of development becomes more complex—due to the higher degree of freedom possessed by intelligent beings.